Company XYZ know that replacement times for the quartz time pieces it produces are normally distributed with a mean of 1
Posted: Mon Jul 11, 2022 11:28 am
Company XYZ know that replacement times for the quartz time pieces it produces are normally distributed with a mean of 16.5 years and a standard deviation of 1.2 years. Find the probability that a randomly selected quartz time piece will have a replacement time less than 13.6 years? P(X < 13.6 years) = Enter your answer accurate to 4 decimal places. Answers obtained using exact z-scores or z- scores rounded to 3 decimal places are accepted. Check Answer